Nick ray MASC

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|| || Atomic mass
22.98977 g.mol -1
Electronegativity according to Pauling
 0.9
Density
 0.97 g.cm -3 at 20 °C
Melting point
 97.5 °C
Boiling point
 883 °C
Vanderwaals radius
 0.196 nm
Ionic radius
 0.095 (+1) nm
Isotopes
 3
Electronic shell
 [Ne] 3s1
Energy of first ionisation
 495.7 kJ.mol -1
Standard potential
 - 2.71 V
Discovered by
 Sir Humphrey Davy in 1807
Atomic Num: 11Atomic Symbol: Na ||
Sodium - Na
Sodium - Na

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external image sodium.jpg


Common Uses of Sodium
Medicine
Agriculture
Manufacture of organic compounds
To purify molten metals
Sodium carbonate / hydroxide soap cleaners
Sodium bicarbonate / chloride / hypochlorite / nitrate / silicate